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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <stdbool.h>#include <stdio.h>#include <stdlib.h>
#include "generated/bit-length.h"#include "maple-shared.h"#include "vma_internal.h"#include "../../../mm/vma.h"
/* Simple test runner. Assumes local num_[fail, tests] counters. */#define TEST(name) \ do { \ (*num_tests)++; \ if (!test_##name()) { \ (*num_fail)++; \ fprintf(stderr, "Test " #name " FAILED\n"); \ } \ } while (0)
#define ASSERT_TRUE(_expr) \ do { \ if (!(_expr)) { \ fprintf(stderr, \ "Assert FAILED at %s:%d:%s(): %s is FALSE.\n", \ __FILE__, __LINE__, __FUNCTION__, #_expr); \ return false; \ } \ } while (0)
#define ASSERT_FALSE(_expr) ASSERT_TRUE(!(_expr))#define ASSERT_EQ(_val1, _val2) ASSERT_TRUE((_val1) == (_val2))#define ASSERT_NE(_val1, _val2) ASSERT_TRUE((_val1) != (_val2))
#define ASSERT_FLAGS_SAME_MASK(_flags, _flags_other) \ ASSERT_TRUE(vma_flags_same_mask((_flags), (_flags_other)))
#define ASSERT_FLAGS_NOT_SAME_MASK(_flags, _flags_other) \ ASSERT_FALSE(vma_flags_same_mask((_flags), (_flags_other)))
#define ASSERT_FLAGS_SAME(_flags, ...) \ ASSERT_TRUE(vma_flags_same(_flags, __VA_ARGS__))
#define ASSERT_FLAGS_NOT_SAME(_flags, ...) \ ASSERT_FALSE(vma_flags_same(_flags, __VA_ARGS__))
#define ASSERT_FLAGS_EMPTY(_flags) \ ASSERT_TRUE(vma_flags_empty(_flags))
#define ASSERT_FLAGS_NONEMPTY(_flags) \ ASSERT_FALSE(vma_flags_empty(_flags))
#define IS_SET(_val, _flags) ((_val & _flags) == _flags)
extern bool fail_prealloc;
/* Override vma_iter_prealloc() so we can choose to fail it. */#define vma_iter_prealloc(vmi, vma) \ (fail_prealloc ? -ENOMEM : mas_preallocate(&(vmi)->mas, (vma), GFP_KERNEL))
#define CONFIG_DEFAULT_MMAP_MIN_ADDR 65536
extern unsigned long mmap_min_addr;extern unsigned long dac_mmap_min_addr;extern unsigned long stack_guard_gap;
extern const struct vm_operations_struct vma_dummy_vm_ops;extern struct anon_vma dummy_anon_vma;extern struct task_struct __current;
/* * Helper function which provides a wrapper around a merge existing VMA * operation. * * Declared in main.c as uses static VMA function. */struct vm_area_struct *merge_existing(struct vma_merge_struct *vmg);
/* * Helper function to allocate a VMA and link it to the tree. * * Declared in main.c as uses static VMA function. */int attach_vma(struct mm_struct *mm, struct vm_area_struct *vma);
/* Helper function providing a dummy vm_ops->close() method.*/static inline void dummy_close(struct vm_area_struct *){}
/* Helper function to simply allocate a VMA. */struct vm_area_struct *alloc_vma(struct mm_struct *mm, unsigned long start, unsigned long end, pgoff_t pgoff, vma_flags_t vma_flags);
/* Helper function to detach and free a VMA. */void detach_free_vma(struct vm_area_struct *vma);
/* Helper function to allocate a VMA and link it to the tree. */struct vm_area_struct *alloc_and_link_vma(struct mm_struct *mm, unsigned long start, unsigned long end, pgoff_t pgoff, vma_flags_t vma_flags);
/* * Helper function to reset the dummy anon_vma to indicate it has not been * duplicated. */void reset_dummy_anon_vma(void);
/* * Helper function to remove all VMAs and destroy the maple tree associated with * a virtual address space. Returns a count of VMAs in the tree. */int cleanup_mm(struct mm_struct *mm, struct vma_iterator *vmi);
/* Helper function to determine if VMA has had vma_start_write() performed. */bool vma_write_started(struct vm_area_struct *vma);
void __vma_set_dummy_anon_vma(struct vm_area_struct *vma, struct anon_vma_chain *avc, struct anon_vma *anon_vma);
/* Provide a simple dummy VMA/anon_vma dummy setup for testing. */void vma_set_dummy_anon_vma(struct vm_area_struct *vma, struct anon_vma_chain *avc);
/* Helper function to specify a VMA's range. */void vma_set_range(struct vm_area_struct *vma, unsigned long start, unsigned long end, pgoff_t pgoff);